📚 Recommended Mathematics Books

Topology (Munkres)  |  General Topology (Engelking)  |  Counterexamples in Topology  |  Rudin's Analysis

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Just a few seconds ago I realized that I have never considered and and even never formulated the following problem:

Explicitly describe the set of complemented funcoids.

Note that not all principal funcoids are complemented. For example see my book for a proof that the identity funcoid on some set is not complemented.